MLA

Qaffāl, Muḥammad ibn Alī, 903 or 4-976 or 7. Maḥāsin al-sharīʻah / Muḥammad ibn ʻAlī al-Qaffāl al-Shāsh. [before 1420]. https://collections.library.yale.edu/catalog/15262066.

APA, 6th edition

Qaffāl, Muḥammad ibn Alī, 903 or 4-976 or 7. ([before 1420])[Maḥāsin al-sharīʻah / Muḥammad ibn ʻAlī al-Qaffāl al-Shāsh]. https://collections.library.yale.edu/catalog/15262066.